From: Intramedullary fixation of proximal humerus fractures: do locking bolts endanger the axillary nerve or the ascending branch of the anterior circumflex artery? A cadaveric study
Nail
bolt-axillaris distance
SD
Synthes PHN
8.6 mm
3.4
Synthes EPHN
8.2 mm
6.0
Targon PH
15.7 mm
2.1
Stryker T2-PHN
2.7 mm
1.9
S&N Trigen PH
6.7 mm
5.2
Zimmer Sirus
5.0 mm
2.3